linux.dk - robtex.com
linux.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.162.133.239🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies | ||||||
| PTR | schou.dk | ||||||
| NS | dns0.kyber.dk ⭐ | ||||||
| A | 2a01:4f9:c01f:b5::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| PTR | kyedns.com | ||||||
| A | 157.180.74.191🇩🇪 Hetzner157.180.0.0/17 HETZNER-DC | ||||||
| PTR | kyedns.com | ||||||
| NS | dns1.kyber.dk | ||||||
| A | 93.163.42.22🇩🇰 TDC93.160.0.0/14 | ||||||
| PTR | 93-163-42-22-static.dk.customer.tdc.net | ||||||
| NS | dns2.kyber.dk | ||||||
| A | 2a03:b0c0:1:d0::311:1001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean | ||||||
| PTR | dns2.kyber.dk | ||||||
| A | 178.62.87.87🇬🇧 DIGITALOCEAN178.62.64.0/18 DigitalOcean | ||||||
| PTR | dns2.kyber.dk | ||||||
| MX | mail.linux.dk ⭐ | ||||||
| A | 130.225.213.110🇩🇰 FSKNET-DK130.225.0.0/16 Forskningsnettet-130.225 | ||||||
| TXT | This domain is NOT for sale. Ever. | ||||||
| TXT | Ejet af jesper@angelo.dk - udlaant til SSLUG og linux interessenter | ||||||
| TXT | Domain is free of use. Please go to DynDNS.dk to register a subdomain. | ||||||
| SOA | dns0.kyber.dkdkguru@gmail.com 2026-04-04 #33 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1776981241localtime Thu Apr 23 23:54:01 2026gmtime Thu Ap... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1776981241 | ||||||
Subdomains
mail.linux.dk |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.linux.dk2015-08-23 → 2026-04-23 · 5 obs
● 2026-03-08 23:41:46
○ 2026-04-03 16:59:24
● 2026-04-13 14:04:58
● 2026-04-23 22:14:58
●A139.162.133.2392026-02-24 → 2026-04-23 · 6 obs
● 2026-02-24 17:16:46
● 2026-03-08 23:41:46
○ 2026-04-03 16:59:24
● 2026-04-13 14:04:58
● 2026-04-23 22:14:58
○A176.9.29.742015-08-23 → 2018-08-05 · 4 obs
● 2018-08-05 02:33:24
○ 2026-02-24 17:16:46
○ 2026-04-23 22:14:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| linux.dk | dns0.kyber.dk, dns1.kyber.dk, dns2.kyber.dk | 4 records |
✅ Authoritative Response
Server:93.163.42.22
NS records: dns0.kyber.dk, dns1.kyber.dk, dns2.kyber.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.dk (unsigned zone)
⏱️ Timing
Total: 650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.133.239 |
| NS | 3 | dns1.kyber.dk, dns0.kyber.dk... |
| MX | 2 | mail.linux.dk (pri: 20), mail.linux.dk (pri: 10) |
| TXT | 3 | This domain is NOT for sale. Ever., Ejet af jesper@angelo.dk - udlaant til S... |
| SOA | 1 | dns0.kyber.dk dkguru.gmail.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns0.kyber.dk, dns0.kyber.dk, dns1.kyber.dk...)
Analysis
Hierarchy
linux.dk is the parent of mail.linux.dk.
IP Addresses
linux.dk points to a single IP number: 139.162.133.239.
other host names for instance w0.dk, mail.w0.dk, schou.dk, visc.dk and mail.visc.dk share IP numbers with linux.dk.
Name Servers
linux.dk is delegated to three name servers: dns0.kyber.dk, dns1.kyber.dk and dns2.kyber.dk.
linux.dk at least partially shares name servers with other domains, for instance warpspeed.dk, magic-soft.dk, birchi.ch, givetwise.dk and chraen.dk.
These name servers are commonly used with ns1.kyedns.com, ns2.kyedns.com and ns3.kyedns.com.
Host names with two IP numbers:
dns0.kyber.dk points to 2a01:4f9:c01f:b5::1 and 157.180.74.191.
dns2.kyber.dk points to 2a03:b0c0:1:d0::311:1001 and 178.62.87.87.
Host names with one IP number:
dns1.kyber.dk points to 93.163.42.22.
Mail Servers
linux.dk is handled by a single mail server, mail.linux.dk.
Host name mail.linux.dk points to IP address 130.225.213.110.